Blue Ribbon Pet Products Exotic Environments Glow In The Dark Geode Stone

Blue Ribbon Exotic Environments Blue Glow In The Dark Geode Stone Tall. Geodes form in gas bubbles inside fresh lava, or in rounded cavities in sedimentary formations. After rock around the cavity hardens, dissolved silicates and/or carbonates are deposited on the inside surface allowing crystals like Amethyst to form inside the hollow chamber. Safe and non-toxic.